CN103776212B - The control method of condensation unit and control device in refrigeration system - Google Patents
The control method of condensation unit and control device in refrigeration system Download PDFInfo
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- CN103776212B CN103776212B CN201210414894.XA CN201210414894A CN103776212B CN 103776212 B CN103776212 B CN 103776212B CN 201210414894 A CN201210414894 A CN 201210414894A CN 103776212 B CN103776212 B CN 103776212B
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Abstract
The invention provides control method and the control device of condensation unit in a kind of refrigeration system, wherein, the method comprises: judge whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; If the determination result is YES, then the liquid supply electromagnetic valve signal of indoor set is obtained, and according to the start and stop of liquid supply electromagnetic valve signal control room external compression machine obtained; If judged result is no, then detection system pressure, control the start and stop of outdoor compressor according to the system pressure detected.The mode that the invention solves condensation unit allocation compressor in correlation technique is single, cannot select the problem of suitable control mode, provide the flexibility of condensation unit allocation compressor according to specific environment.
Description
Technical field
The present invention relates to field of refrigeration, the control method of condensation unit and control device in a kind of refrigeration system.
Background technology
Along with the development of electrical apparatus technology, the electric equipment with refrigerating function gets more and more, and in refrigeration systems, condensation unit adopts the start and stop of the outer machine compressor of following two kinds of Schema control usually:
1) condensation unit controls the start and stop of outer machine compressor according to the switching signal of the liquid supply electromagnetic valve of indoor set;
2) condensation unit controls compressor start-stop according to system pressure.
But the control mode of condensation unit is single in such scheme, cannot take into account two kinds of control models, client can not selectively use above-mentioned control model according to oneself requirement simultaneously.Such as, when condensation unit controls the start and stop of outer machine compressor according to the switching signal of the liquid supply electromagnetic valve of indoor set, if indoor set and off-premises station are apart from far, or off-premises station be inconvenient to receive in dynamo-electric magnet valve signal time, then the startup of uncontrollable compressor and stopping.
Single for the mode of condensation unit allocation compressor in prior art, the problem of suitable control mode cannot be selected according to specific environment, not yet propose effective solution at present.
Summary of the invention
The present invention aims to provide control method and the control device of condensation unit in a kind of refrigeration system, single in the mode solving condensation unit allocation compressor in prior art, cannot select the problem of suitable control mode according to specific environment.
To achieve these goals, according to an aspect of the present invention, provide the control method of condensation unit in a kind of refrigeration system, the method comprises: judge whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; If the determination result is YES, then the liquid supply electromagnetic valve signal of indoor set is obtained, and according to the start and stop of liquid supply electromagnetic valve signal control room external compression machine obtained; If judged result is no, then detection system pressure, control the start and stop of outdoor compressor according to the system pressure detected.
Further, the mainboard judging condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise: receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge whether mainboard receives liquid supply electromagnetic valve signal according to the type of the mode control signal received, wherein, if the mode control signal received is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal received is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Further, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that first status signal is used to indicate indoor set is in opening, the liquid supply electromagnetic valve that second status signal is used to indicate indoor set is in closed condition, start and stop according to the liquid supply electromagnetic valve signal control room external compression machine of the indoor set obtained comprise: when the liquid supply electromagnetic valve signal of indoor set is the first status signal, control outdoor compressor and open; When the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stop.
According to a further aspect in the invention, provide the control device of condensation unit in a kind of refrigeration system, this device is positioned on the mainboard of condensation unit, comprising: judging unit, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; First control unit, during for judging that at judging unit mainboard receives the liquid supply electromagnetic valve signal of indoor set, obtains liquid supply electromagnetic valve signal, and according to the start and stop of the liquid supply electromagnetic valve signal control room external compression machine obtained; Second control unit, during for judging that at judging unit mainboard does not receive the liquid supply electromagnetic valve signal of indoor set, detection system pressure, controls the start and stop of outdoor compressor according to the system pressure detected.
Further, judging unit comprises: receiver module, and for receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge module, type for the mode control signal received according to receiver module judges whether mainboard receives liquid supply electromagnetic valve signal, wherein, if the mode control signal received is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal received is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Further, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that first status signal is used to indicate indoor set is in opening, the liquid supply electromagnetic valve that second status signal is used to indicate indoor set is in closed condition, first control unit comprises: the first control module, for when the liquid supply electromagnetic valve signal of indoor set is the first status signal, controls outdoor compressor and open; Second control module, for when the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stops.
Apply technical scheme of the present invention, the mainboard of condensation unit arranges two kinds of control models, when the external compression machine start and stop of condensation unit control room, first judge, if judge, mainboard receives the liquid supply electromagnetic valve signal of indoor set, then condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal control room external compression machine, if judge, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set, then detection system pressure, the start and stop of outdoor compressor are controlled according to the system pressure detected, this scheme makes condensation unit compatible two kinds of modes can control unlatching and the stopping of outdoor compressor simultaneously, the mode efficiently solving condensation unit allocation compressor in correlation technique is single, the problem of suitable control mode cannot be selected according to specific environment, provide the flexibility of condensation unit allocation compressor.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the preferred flow chart of one of the control method of condensation unit in the refrigeration system according to the embodiment of the present invention;
Fig. 2 is the preferred flow chart of another kind of the control method of condensation unit in the refrigeration system according to the embodiment of the present invention;
Fig. 3 is the preferred structured flowchart of one of the control device of condensation unit in the refrigeration system according to the embodiment of the present invention;
Fig. 4 is the preferred structured flowchart of another kind of the control device of condensation unit in the refrigeration system according to the embodiment of the present invention; And
Fig. 5 is another preferred structured flowchart of the control device of condensation unit in the refrigeration system according to the embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiment 1
The preferred embodiment of the invention provides the control method of condensation unit in a kind of refrigeration system, and Fig. 1 is the preferred flow chart of one of the method, and the method comprises the steps:
S102, judges whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
S104, if the determination result is YES, then obtains the liquid supply electromagnetic valve signal of indoor set, and according to the start and stop of liquid supply electromagnetic valve signal control room external compression machine obtained;
S106, if judged result is no, then detection system pressure, controls the start and stop of outdoor compressor according to the system pressure detected.
Above-mentioned preferred embodiment in, the mainboard of condensation unit arranges two kinds of control models, when the external compression machine start and stop of condensation unit control room, first judge, if judge, mainboard receives the liquid supply electromagnetic valve signal of indoor set, then condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal control room external compression machine, if judge, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set, then detection system pressure, the start and stop of outdoor compressor are controlled according to the system pressure detected, this scheme makes condensation unit compatible two kinds of modes can control unlatching and the stopping of outdoor compressor simultaneously, the mode efficiently solving condensation unit allocation compressor in correlation technique is single, the problem of suitable control mode cannot be selected according to specific environment, provide the flexibility of condensation unit allocation compressor.
Of the present invention one preferred embodiment in, also upper method is optimized, particularly, the mainboard judging condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise: receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge whether mainboard receives liquid supply electromagnetic valve signal according to the type of the mode control signal received, wherein, if the mode control signal received is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal received is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.In above-mentioned preferred technical scheme, by receiving the different selection of mode control signal realization to the control mode of condensation unit, and then realize the control to compressor.
The present invention has also carried out optimizing further to above-mentioned method, provide a kind of scheme of start and stop of liquid supply electromagnetic valve signal control room external compression machine of the indoor set according to obtaining, specifically, the liquid supply electromagnetic valve signal of indoor set comprises: the first status signal and the second status signal, wherein, the liquid supply electromagnetic valve that the first status signal is used to indicate indoor set is in opening; The liquid supply electromagnetic valve that second status signal is used to indicate indoor set is in closed condition, when the liquid supply electromagnetic valve signal of indoor set is the first status signal, controls outdoor compressor and opens; When the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stop.
Be described further such scheme below in conjunction with flow chart, as shown in Figure 2, said method comprises the steps:
S202, judges whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set, if so, then performs S204 to S210, otherwise performs S212;
S204, obtains the liquid supply electromagnetic valve signal of indoor set;
S206, judges whether liquid supply electromagnetic valve signal is opening, if so, then performs step S208, otherwise performs S210;
S208, controls outdoor compressor and opens;
S210, controls outdoor compressor and stops;
S212, detection system pressure, controls the start and stop of outdoor compressor according to the system pressure detected.
Embodiment 2
On the basis of above-described embodiment 1, this preferred embodiment provides the control device of condensation unit in a kind of refrigeration system, be positioned on the mainboard of condensation unit, Fig. 3 illustrates the preferred structured flowchart of the one of this device, as shown in Figure 3, this device comprises: judging unit 302, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set; First control unit 304, be connected with judging unit 302, during for judging that at judging unit 302 mainboard receives the liquid supply electromagnetic valve signal of indoor set, obtain liquid supply electromagnetic valve signal, and the start and stop of liquid supply electromagnetic valve signal control room external compression machine according to the indoor set obtained; Second control unit 306, is connected with judging unit 302, and for when judging unit 302 judges that mainboard does not receive the control signal of the liquid supply electromagnetic valve of indoor set, detection system pressure, controls the start and stop of outdoor compressor according to the system pressure detected.
Above-mentioned preferred embodiment in, the mainboard of condensation unit arranges two kinds of control models, when the external compression machine start and stop of condensation unit control room, first judge, if judge, mainboard receives the liquid supply electromagnetic valve signal of indoor set, then condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal control room external compression machine, if judge, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set, then detection system pressure, the start and stop of outdoor compressor are controlled according to the system pressure detected, this scheme makes condensation unit compatible two kinds of modes can control unlatching and the stopping of outdoor compressor simultaneously, the mode efficiently solving condensation unit allocation compressor in correlation technique is single, the problem of suitable control mode cannot be selected according to specific environment, provide the flexibility of condensation unit allocation compressor.
Of the present invention one preferred embodiment in, also carry out optimizing further to said apparatus, specifically, as shown in Figure 4, judging unit 302 comprises: receiver module 402, for receiving mode control signal, wherein, mode control signal comprises the first control signal and the second control signal; Judge module 404, be connected with receiver module 402, type for the mode control signal received according to receiver module 402 judges whether to receive liquid supply electromagnetic valve signal, wherein, if the mode control signal received is the first control signal, mainboard receives the liquid supply electromagnetic valve signal of indoor set, if the mode control signal received is the second control signal, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set.
Of the present invention one preferred embodiment in, additionally provide a kind of scheme of start and stop of liquid supply electromagnetic valve signal control room external compression machine of the indoor set according to obtaining, specifically, the liquid supply electromagnetic valve signal of indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that first status signal is used to indicate indoor set is in opening, the liquid supply electromagnetic valve that second status signal is used to indicate indoor set is in closed condition, as shown in Figure 5, first control unit 304 comprises: the first control module 502, for when the liquid supply electromagnetic valve signal of indoor set is the first status signal, control outdoor compressor is opened, second control module 504, for when the liquid supply electromagnetic valve signal of indoor set is the second status signal, controls outdoor compressor and stops.
From above description, can find out, the above embodiments of the present invention arrange two kinds of control models on the mainboard of condensation unit, when the external compression machine start and stop of condensation unit control room, first judge, if judge, mainboard receives the liquid supply electromagnetic valve signal of indoor set, then condensation unit is according to the start and stop of this liquid supply electromagnetic valve signal control room external compression machine, if judge, mainboard does not receive the liquid supply electromagnetic valve signal of indoor set, then detection system pressure, the start and stop of outdoor compressor are controlled according to the system pressure detected, this scheme makes condensation unit compatible two kinds of modes can control unlatching and the stopping of outdoor compressor simultaneously, the mode efficiently solving condensation unit allocation compressor in correlation technique is single, the problem of suitable control mode cannot be selected according to specific environment, provide the flexibility of condensation unit allocation compressor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the control method of condensation unit in refrigeration system, is characterized in that, comprising:
Judge whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
If the determination result is YES, then the liquid supply electromagnetic valve signal of described indoor set is obtained, and according to the start and stop of described liquid supply electromagnetic valve signal control room external compression machine obtained;
If judged result is no, then detection system pressure, control the start and stop of described outdoor compressor according to the system pressure detected.
2. method according to claim 1, is characterized in that, the mainboard judging condensation unit whether in receiving chamber the step of dynamo-electric magnet valve signal comprise:
Receiving mode control signal, wherein, described mode control signal comprises the first control signal and the second control signal;
Judge whether described mainboard receives described liquid supply electromagnetic valve signal according to the type of the described mode control signal received, wherein, if the described mode control signal received is the first control signal, described mainboard receives the liquid supply electromagnetic valve signal of described indoor set, if the described mode control signal received is the second control signal, described mainboard does not receive the liquid supply electromagnetic valve signal of described indoor set.
3. method according to claim 1 and 2, it is characterized in that, the liquid supply electromagnetic valve signal of described indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that described first status signal is used to indicate described indoor set is in opening, the liquid supply electromagnetic valve that described second status signal is used to indicate described indoor set is in closed condition, and the start and stop according to the liquid supply electromagnetic valve signal control room external compression machine of the described indoor set obtained comprise:
When the liquid supply electromagnetic valve signal of described indoor set is described first status signal, controls described outdoor compressor and open;
When the liquid supply electromagnetic valve signal of described indoor set is described second status signal, controls described outdoor compressor and stop.
4. the control device of condensation unit in refrigeration system, is positioned on the mainboard of condensation unit, it is characterized in that, comprising:
Judging unit, for judging whether the mainboard of condensation unit receives the liquid supply electromagnetic valve signal of indoor set;
First control unit, during for judging that described mainboard receives the liquid supply electromagnetic valve signal of described indoor set at described judging unit, obtains described liquid supply electromagnetic valve signal, and according to the start and stop of described liquid supply electromagnetic valve signal control room external compression machine obtained;
Second control unit, during for judging that described mainboard does not receive the liquid supply electromagnetic valve signal of described indoor set at described judging unit, detection system pressure, controls the start and stop of described outdoor compressor according to the system pressure detected.
5. device according to claim 4, is characterized in that, described judging unit comprises:
Receiver module, for receiving mode control signal, wherein, described mode control signal comprises the first control signal and the second control signal;
Judge module, type for the mode control signal received according to described receiver module judges whether described mainboard receives described liquid supply electromagnetic valve signal, wherein, if the described mode control signal received is the first control signal, described mainboard receives the liquid supply electromagnetic valve signal of described indoor set, if the described mode control signal received is the second control signal, described mainboard does not receive the liquid supply electromagnetic valve signal of described indoor set.
6. the device according to claim 4 or 5, it is characterized in that, the liquid supply electromagnetic valve signal of described indoor set comprises the first status signal and the second status signal, the liquid supply electromagnetic valve that described first status signal is used to indicate described indoor set is in opening, the liquid supply electromagnetic valve that described second status signal is used to indicate described indoor set is in closed condition, and described first control unit comprises:
First control module, for when the liquid supply electromagnetic valve signal of described indoor set is the first status signal, controls described outdoor compressor and opens;
Second control module, for when the liquid supply electromagnetic valve signal of described indoor set is the second status signal, controls described outdoor compressor and stops.
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| CN201210414894.XA CN103776212B (en) | 2012-10-25 | 2012-10-25 | The control method of condensation unit and control device in refrigeration system |
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| CN201210414894.XA CN103776212B (en) | 2012-10-25 | 2012-10-25 | The control method of condensation unit and control device in refrigeration system |
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| CN104864565B (en) * | 2015-05-21 | 2018-01-05 | 珠海格力电器股份有限公司 | The control method of air-conditioner set |
| DE102017214941A1 (en) | 2017-08-25 | 2019-02-28 | Dometic Sweden Ab | Recreational vehicle, cooling device, control system and method of controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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| CN1225444A (en) * | 1997-12-23 | 1999-08-11 | 运载器有限公司 | Discharge pressure control system for transport refrigeration unit using suction modulation |
| US7004246B2 (en) * | 2002-06-26 | 2006-02-28 | York International Corporation | Air-to-air heat pump defrost bypass loop |
| CN1906450A (en) * | 2004-09-13 | 2007-01-31 | 大金工业株式会社 | Refrigerating device |
| CN102105759A (en) * | 2008-07-23 | 2011-06-22 | 开利公司 | Methods and systems for compressor operation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6959558B2 (en) * | 2003-03-06 | 2005-11-01 | American Power Conversion Corp. | Systems and methods for head pressure control |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225444A (en) * | 1997-12-23 | 1999-08-11 | 运载器有限公司 | Discharge pressure control system for transport refrigeration unit using suction modulation |
| US7004246B2 (en) * | 2002-06-26 | 2006-02-28 | York International Corporation | Air-to-air heat pump defrost bypass loop |
| CN1906450A (en) * | 2004-09-13 | 2007-01-31 | 大金工业株式会社 | Refrigerating device |
| CN102105759A (en) * | 2008-07-23 | 2011-06-22 | 开利公司 | Methods and systems for compressor operation |
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